AIIMS PG Entrance May 2015 – MCQ 31 – Reticular fibers

Reticular collagen fibers are seen in all tissues except?
A. Lymph node
B. Spleen
C. Thymus
D. Bone marrow

Correct answer : C. Thymus
Reticulin stain liverLiver biopsy specimen stained with reticulin stain

Reticular fibers are composed of type III collagen synthesized by reticular cells.
They form a fine meshwork which acts as support in tissues like liver, bone marrow and the lymphatic system.

Image credits: Author: Nephron. Licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.